Lawrence, G. H. M. (1951). Taxonomy of vascular plants: By George H. M. Lawrence. The Macmillan.
芝加哥风格引文Lawrence, George H. M. Taxonomy of Vascular Plants: By George H. M. Lawrence. New York: The Macmillan, 1951.
MLA引文Lawrence, George H. M. Taxonomy of Vascular Plants: By George H. M. Lawrence. The Macmillan, 1951.
警告：这些引文格式不一定是100％准确.